diff --git a/xarray/namedarray/_typing.py b/xarray/namedarray/_typing.py
index b715973814f..8aa34b6b5af 100644
--- a/xarray/namedarray/_typing.py
+++ b/xarray/namedarray/_typing.py
@@ -317,3 +317,5 @@ def todense(self) -> np.ndarray[Any, _DType_co]: ...
 
 ErrorOptions = Literal["raise", "ignore"]
 ErrorOptionsWithWarn = Literal["raise", "warn", "ignore"]
+
+# test